78985010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{16421}}^1$

素因数の和:16478

約数の個数: 32

約数和(自身を含む): 157257072

約数和(自身を除く): 78272062

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 16421, 32842, 82105, 164210, 213473, 426946, 607577, 1067365, 1215154, 2134730, 3037885, 6075770, 7898501, 15797002, 39492505, 78985010]

約数ペア:

[(1, 78985010), (2, 39492505), (5, 15797002), (10, 7898501), (13, 6075770), (26, 3037885), (37, 2134730), (65, 1215154), (74, 1067365), (130, 607577), (185, 426946), (370, 213473), (481, 164210), (962, 82105), (2405, 32842), (4810, 16421)]